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Finding the Fourth Proportional to 36,051, 49,750.10 and 20,952.50

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Solution

The fourth proportional to 36,051, 49,750.10 and 20,952.50 is: 28,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,051 : 49,750.10 = 20,952.50 : x
  2. Step 2: Convert to fraction form
    36,051/49,750.10 = 20,952.50/x
  3. Step 3: Cross multiply
    36,051x = 49,750.10 × 20,952.50
  4. Step 4: Simplify right side
    36,051x = 1,042,388,970.25
  5. Step 5: Solve for x
    x = 1,042,388,970.25/36,051
  6. Step 6: Final answer
    x = 28,914.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.